CN213412868U - Cooling water tank of double-screw extruder - Google Patents
Cooling water tank of double-screw extruder Download PDFInfo
- Publication number
- CN213412868U CN213412868U CN202022407014.9U CN202022407014U CN213412868U CN 213412868 U CN213412868 U CN 213412868U CN 202022407014 U CN202022407014 U CN 202022407014U CN 213412868 U CN213412868 U CN 213412868U
- Authority
- CN
- China
- Prior art keywords
- water tank
- water
- tank body
- screw extruder
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a cooling water tank of a double-screw extruder, which comprises an open type water tank body, a water inlet and a water outlet which are arranged on the water tank body, a circulating pipeline which is connected with the water inlet and the water outlet, a water pump and a heat exchanger which are arranged on the circulating pipeline, and a plurality of guide wheels which are arranged in the water tank body; the device is characterized in that the water inlet is positioned at the lower side part of the discharge end, and the water outlet is positioned at the bottom of the feed end; a sunken groove communicated with the bottom of the water tank body is formed in the water outlet, and an extraction and filtration device is detachably mounted on the sunken groove; the water tank is characterized in that a cover plate is arranged on an opening in the top of the water tank body, and a plurality of water stirring impellers extending into the water tank body are arranged on the cover plate. The utility model has the characteristics of the cooling effect is better, the slag clearance is more convenient.
Description
Technical Field
The utility model relates to a double screw extrusion equipment technical field especially relates to a double screw extruder's cooling trough.
Background
In the plastic extrusion process, the plastic strips extruded from the die of the extruder need to be cooled before entering the granulating process. At present, the cooling of the plastic strip is mainly carried out in a tap water cooling mode; this is because tap water has a large specific heat capacity and is likely to exchange heat with hot plastic strips, thereby achieving the cooling purpose. And the tap water has stable chemical property, can be recycled, and greatly saves the cost.
In the prior art, water in a cooling water tank generally takes advection as a main part, the cooling effect of the water is difficult to be fully exerted, and the cooling effect on plastic strips is not particularly ideal. In order to make the cold water in the cooling water tank fully exchange heat with the plastic strips to be cooled, some patents propose to add a water flow baffle plate at the bottom of the cooling water tank, as described in the patent of the invention with publication number CN 101676089A; there is also a patent that the material in the cooling tank is circularly cooled by using a water pump and a radiator, as described in the chinese utility model with the publication number CN 209903886U.
However, a certain amount of slag is generated after the high-temperature material strips extruded by the plastic extruder are contacted with water, and the slag is deposited at the bottom of the cooling water tank and is troublesome to clean; especially, the arrangement of the water flow baffle can lead the cleaning of the material slag to be more complicated.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to a when the cooling effect is good also very convenient double screw extruder's of slag removal cooling trough.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A cooling water tank of a double-screw extruder comprises an open water tank body, a water inlet and a water outlet which are arranged on the water tank body, a circulating pipeline which is connected with the water inlet and the water outlet, a water pump and a heat exchanger which are arranged on the circulating pipeline, and a plurality of material guide wheels which are arranged in the water tank body; one end of the water tank body close to the mouth mold of the extruding machine is a feeding end, and the other end of the water tank body far away from the mouth mold of the extruding machine is a discharging end; the device is characterized in that the water inlet is positioned at the lower side part of the discharge end, and the water outlet is positioned at the bottom of the feed end; a sunken groove communicated with the bottom of the water tank body is formed in the water outlet, and an extraction and filtration device is detachably mounted on the sunken groove; the water tank is characterized in that a cover plate is arranged on an opening in the top of the water tank body, and a plurality of water stirring impellers extending into the water tank body are arranged on the cover plate.
More preferably, a water suction roller is arranged at the top of the discharge end, and the cooled plastic strip is dewatered by the water suction roller and then conveyed to the next process.
More preferably, the two water suction rollers are arranged in pairs, a water collecting tank is arranged below the water suction rollers, and a water outlet of the water collecting tank is communicated with the water tank body.
More preferably, the heat exchanger is a finned heat exchanger, and a cooling fan is disposed corresponding to the heat exchanger.
More preferably, the axial direction of the material guide wheels is perpendicular to the feeding and discharging direction of the water tank body, and each material guide wheel is provided with a corresponding guide groove; the plastic strands emerging from the extruder die are separated one from the other by the guide channels.
More preferably, the extraction and filtration device comprises a filter screen frame and a handle arranged on the filter screen frame, and gaps are reserved between the periphery of the filter screen frame and the periphery of the sunken groove.
More preferably, the number of the handles is two, and the handles are respectively positioned at two sides of the filter screen frame.
The beneficial effects of the utility model are as follows.
During actual operation, this water in basin is taken out from the delivery port under the promotion of water pump, then in the basin body is got back to from the water inlet after the heat exchanger cooling, and then forms circulating water flow and cools off this internal plastic strip of basin. Compared with the prior art, the utility model provides a pair of double screw extruder's cooling trough has following characteristics: 1) because the flowing direction of the circulating water flow is opposite to the feeding and discharging direction of the water tank body, the water temperature at the discharging end is lower, and the cooling effect is more excellent. 2) Through set up detachable extraction filter equipment on the delivery port, can collect the material sediment in the basin body, the clearance of the material sediment of being convenient for. 3) The cover plate is arranged at the top of the water tank body, and the water stirring impeller is arranged on the cover plate, so that when the water tank works, the water stirring impeller can form a blocking effect on water flow in the water tank body, circulating water flow is more fully contacted with the plastic strips, and the cooling effect of the plastic strips is further improved; and the water stirred reversely can form a certain reverse impact effect, so that the deposition of the material slag on the bottom plate of the water tank body is reduced. Particularly, the water stirring impeller is arranged on the cover plate and can be detached and cleaned along with the cover plate, and the problems of dead angle deposition and inconvenient cleaning caused by the fact that the water stirring impeller is arranged on the bottom plate of the water tank body are avoided.
Drawings
Fig. 1 is a schematic structural view of a cooling water tank according to the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Reference numerals indicate the same.
1: sink body, 2: water inlet, 3: water outlet, 4: circulation line, 5: water pump, 6: heat exchanger, 7: guide wheel, 8: sunken groove, 9: extraction filter device, 10: cover plate, 11: water-repellent impeller, 12: suction roll, 13: water collection tank, 14: an extruder die.
9-1: screen frame, 9-2: a handle.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
As shown in fig. 1 and 2, a cooling water tank of a twin-screw extruder comprises an open water tank body 1, a water inlet 2 and a water outlet 3 which are arranged on the water tank body 1, a circulating pipeline 4 connecting the water inlet 2 and the water outlet 3, a water pump 5 and a heat exchanger 6 which are arranged on the circulating pipeline 4, and a plurality of material guide wheels 7 which are arranged in the water tank body 1; one end of the water tank body 1 close to the extruding machine mouth mold 14 is a feeding end, and the other end far away from the extruding machine mouth mold 14 is a discharging end; the device is characterized in that the water inlet 2 is positioned at the lower side part of the discharge end, and the water outlet 3 is positioned at the bottom of the feed end; a sunken groove 8 communicated with the bottom of the water tank body 1 is formed in the water outlet 3, and an extraction and filtration device 9 is detachably mounted on the sunken groove 8; the top opening of the water tank body 1 is provided with a cover plate 10, and the cover plate 10 is provided with a plurality of water stirring impellers 11 extending into the water tank body 1.
During actual operation, water in the water tank body 1 is pumped out from the water outlet 3 under the pushing of the water pump 5, and then is cooled by the heat exchanger 6 and then returns to the water tank body 1 from the water inlet 2, so that circulating water flow is formed to cool the plastic strips in the water tank body 1. Compared with the prior art, the cooling water tank of the double-screw extruder provided by the embodiment has the following characteristics: 1) because the flowing direction of the circulating water flow is opposite to the feeding and discharging direction of the water tank body 1, the water temperature at the discharging end is lower, and the cooling effect is more excellent. 2) Through set up detachable extraction filter equipment on delivery port 3, can collect the material sediment in the basin body 1, be convenient for the clearance of material sediment. 3) By arranging the cover plate at the top of the water tank body 1 and arranging the water-stirring impeller 11 on the cover plate, when the water tank works, the water-stirring impeller 11 can form a blocking effect on water flow in the water tank body 1, so that circulating water flow is more fully contacted with the plastic strips, and the cooling effect of the plastic strips is further improved; and the water stirred reversely can form a certain reverse impact effect, so that the deposition of the material slag on the bottom plate of the water tank body 1 is reduced. Particularly, as the water-stirring impeller 11 is arranged on the cover plate 10, the water-stirring impeller can be detached and cleaned together with the cover plate 10, and the problems of dead angle deposition and inconvenient cleaning caused by the installation of the water-stirring impeller 11 on the bottom plate of the water tank body 1 are avoided.
It should be noted that a water suction roller 12 is further disposed at the top of the discharge end, and the cooled plastic strip is dewatered by the water suction roller 12 and then conveyed to the next process. In this embodiment, the two water suction rollers 12 are provided in pairs, a water collection tank 13 is provided below the water suction rollers 12, a water discharge port of the water collection tank 13 is communicated with the water tank body 1, and water dropping from the water suction rollers 12 is collected into the water tank body 1 by backflow.
It should be noted that the heat exchanger 6 is preferably a finned heat exchanger, and a cooling fan is further disposed corresponding to the heat exchanger 6; so as to further improve the cooling effect of the circulating water.
It should be noted that the axial direction of the material guiding wheels 7 is perpendicular to the feeding and discharging direction of the water tank body 1, and each material guiding wheel 7 is provided with a corresponding guide groove; the plastic strips extruded from the die of the extruder are cooled by the guide grooves one by one, so that winding is avoided.
Referring to fig. 2 again, the extraction and filtration device 9 includes a filter screen frame 9-1 and a handle 9-2 disposed on the filter screen frame 9-1, and a gap is left between the periphery of the filter screen frame 9-1 and the periphery of the sink groove 8; to ensure the circulating water flow to smoothly and rapidly permeate through the filter screen frame 9-1. When the filter screen frame 9-1 is filled with a lot of material slag to affect water permeation, the filter screen frame 9-1 can be taken out from the sunken groove 8 through the handle 9-2, and cleaning and replacement are convenient. In this embodiment, two handles 9-2 are preferably provided, and are respectively located on two sides of the screen frame 9-1, so as to facilitate the taking out of the screen frame 9-1.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (7)
1. A cooling water tank of a double-screw extruder comprises an open water tank body, a water inlet and a water outlet which are arranged on the water tank body, a circulating pipeline which is connected with the water inlet and the water outlet, a water pump and a heat exchanger which are arranged on the circulating pipeline, and a plurality of material guide wheels which are arranged in the water tank body; one end of the water tank body close to the mouth mold of the extruding machine is a feeding end, and the other end of the water tank body far away from the mouth mold of the extruding machine is a discharging end; the device is characterized in that the water inlet is positioned at the lower side part of the discharge end, and the water outlet is positioned at the bottom of the feed end; a sunken groove communicated with the bottom of the water tank body is formed in the water outlet, and an extraction and filtration device is detachably mounted on the sunken groove; the water tank is characterized in that a cover plate is arranged on an opening in the top of the water tank body, and a plurality of water stirring impellers extending into the water tank body are arranged on the cover plate.
2. The cooling water tank of the twin-screw extruder as claimed in claim 1, wherein a water suction roller is provided at the top of the discharge end, and the cooled plastic strip is dewatered by the water suction roller and then conveyed to the next process.
3. The cooling water tank of a twin-screw extruder as claimed in claim 2, wherein the water suction rolls are provided in two pairs, a water collection tank is provided below the water suction rolls, and a water discharge port of the water collection tank communicates with the water tank body.
4. The cooling water tank of a twin-screw extruder as claimed in claim 1, wherein the heat exchanger is a fin-type heat exchanger, and a heat radiation fan is provided corresponding to the heat exchanger.
5. The cooling water tank of the twin-screw extruder as claimed in claim 1, wherein the axial direction of the material guiding wheels is perpendicular to the feeding and discharging direction of the water tank body, and each material guiding wheel is provided with a corresponding guide groove; the plastic strands emerging from the extruder die are separated one from the other by the guide channels.
6. The cooling water tank of the twin-screw extruder as claimed in claim 1, wherein the extraction filter device comprises a filter screen frame and a handle arranged on the filter screen frame, and a gap is left between the periphery of the filter screen frame and the periphery of the sunken groove.
7. The cooling water tank of a twin-screw extruder as claimed in claim 6, wherein the number of the handles is two, and the handles are respectively located on two sides of the screen frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407014.9U CN213412868U (en) | 2020-10-23 | 2020-10-23 | Cooling water tank of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407014.9U CN213412868U (en) | 2020-10-23 | 2020-10-23 | Cooling water tank of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213412868U true CN213412868U (en) | 2021-06-11 |
Family
ID=76248336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407014.9U Active CN213412868U (en) | 2020-10-23 | 2020-10-23 | Cooling water tank of double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213412868U (en) |
-
2020
- 2020-10-23 CN CN202022407014.9U patent/CN213412868U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112984872B (en) | High-efficiency water-saving countercurrent water circulation heat exchange type condenser | |
| CN213412868U (en) | Cooling water tank of double-screw extruder | |
| CN210733231U (en) | Lithium battery diaphragm casting cooling system and casting machine | |
| CN218256601U (en) | Multi-station injection molding device | |
| CN215998125U (en) | Aluminum alloy extrusion die capable of being cooled rapidly | |
| CN212707505U (en) | Extruder cooling trough with good cooling effect | |
| CN213441088U (en) | Circulating high-efficient heat sink of plastics extruder | |
| CN215550820U (en) | Cooling water tank for color master batch plastic granulation | |
| CN211307294U (en) | Injection molding machine cooling device | |
| CN210257214U (en) | Be used for power cable cooling device for extrusion molding machine | |
| CN210280230U (en) | Cooling device is used in processing of industry aluminium alloy | |
| CN209616315U (en) | A kind of plastic strip cooling device | |
| CN211221609U (en) | Precise plastic mold with cooling function | |
| CN218576977U (en) | Inflation film manufacturing machine of waterproof PE membrane | |
| CN214056325U (en) | Full-automatic water cooler for injection molding machine | |
| CN217315163U (en) | Take-up cooling mechanism of stainless steel wire drawing machine | |
| CN219014774U (en) | Cooling water treatment device | |
| CN219550910U (en) | Propylene product cooler | |
| CN216540755U (en) | Novel brass continuous casting crystallizer | |
| CN213563865U (en) | Engineering plastic material strip cooling device | |
| CN217226645U (en) | Cooling device for plastic suction molding | |
| CN219483804U (en) | Practice thrift aluminium alloy processingequipment who sprays cooling water | |
| CN214726362U (en) | Barrel cooling device of double-screw extruder | |
| CN211041757U (en) | Waste heat utilization device for floor film production line | |
| CN220648748U (en) | Cooling water circulation device for production workshop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |